— Cs Hg and U solubilization yields from U29 cemented waste using sulfuric acid and various concentrations of potassium iodide Initial concentrations are about ppm for Cs 1977 ppm for Hg
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— In this study simultaneous extractions of lithium rubidium and cesium from a lepidolite concentrate were conducted through a low temperature sulfuric acid baking and water leaching route
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— In the thermally treated zeolite non leaching cesium is most probably occluded in an amorphous aluminosilicate network where it maintains its original electric field gradient Cesium leaches preferentially when it is located in the large cavity site II As above mentioned cesium radionuclide is a common pollutant in radioactive wastes Its
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— The alkali autoclaving method has strict requirements for high pressure equipment and a large consumption of alkali 600 g/L NaOH L/S = 7 1 [33] and cesium from lepidolite ores without leaching iron or aluminum 1 The first step roasting sulfation of lepidolite ores 2 The second step roasting decomposition of partial sulfates
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— Lepidolite is an important mineral resource containing lithium rubidium cesium and potassium Most researches focused on the extraction of lithium from lepidolite while the co extraction of
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— A stable solidified product of Cs was generated by pressing/sintering method with the addition of allophane Experiments were conducted to further explore the properties of solidified products Results indicated that the hardness of sintered product increased with increasing calcination temperature A duration time of 3 h led to the volatilization of Cs
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— 1 Introduction Lithium rubidium and cesium are indispensable mineral raw materials widely applied in the aerospace national defense and military industries and new energy industries Alessia et al 2021; Zhang et al 2020b; Zhang et al 2021 Lithium is one of the principal ingredients in the manufacturing of lithium batteries Bongartz et al
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A hydrated sodium phlogopite mica with a c axis spacing [d 001 ] of Å made by careful low temperature leaching showed extremely high selectivity for newly discovered cesium ion sieve is useful in the decontamination as well as immobilization of cesium at room temperature through chemical bonding and may find applications in
Ahydrated sodium phlogopite mica with a c axis spacing of made by careful low temperature leaching showed extremely high selectivity for cesium which may find applications in nuclear waste disposal and in decontamination of the environment after accidental releases of nuclear materials Ahydrated sodium phlogopite mica with a c axis
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— 1 Introduction Lithium is the most significant new energy metal in the 21st century [1] According to statistics the global consumption of lithium has more than doubled from kt in 2010 to kt in 2020 in the past 10 years [2] Among them the consumption in the field of batteries has grown particularly rapidly [3] [4] and the proportion of which
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— The paper focuses on leaching of complex copper cobalt nickel ore from Mwinilunga district in Zambia containing % Cu % Co % Fe and % Ni Mineralogical examination of the ore using scanning electron microscope SEM showed that copper cobalt and nickel exist in fine particles of heterogenite and limonite mineral phases
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— Dump leaching Heap and in situ leaching characteristics are combined in dump leaching Depending on the dump location an impermeable layer may or may not be employed in a dump leach The ore is dumped to allow similar processing to heap leaching but the geological conditions of the area allow a valley or pit to act as the sump Vat
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— Chalcopyrite ore is one of the most abundant and pertinent oxidized copper minerals In this research the dissolution kinetics of chalcopyrite in an ammonia solution was examined During leaching the influences of leachant concentration temperature and particle diameter on the extent of copper ore dissolution were investigated
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— DOI / Corpus ID 40188721; Cesium leaching from gamma irradiated CsA and CsX zeolites article{Lima2008CesiumLF title={Cesium leaching from gamma irradiated CsA and CsX zeolites } author={Enrique Lima and Ilich A Ibarra and Victor Hugo Lara and Pedro Bosch and Silvia Bulbulian}
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— Rubidium is a rare alkali metal with high economic value and application potential It is mainly recovered from the intermediate products of lithium/cesium extraction from lepidolite/pollucite The application potential and extraction difficulties of rubidium have necessitated the development of new methods for the extraction of rubidium from resources
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— The flowsheet discussed in this study is for treatment of 100 tons per day oxide sulfide copper ore by the leaching process using sulfuric acid ferric sulfate solvent This flowsheet would also be suitable for a larger tonnage by proper sizing of the various units of equipment The flowsheet contemplates a six to seven day leach wash cycle with
With the rapid development of new energy fields and the current shortage of lithium supply an efficient clean and stable lithium resource extraction process is urgently necessary In this paper various advanced detection methods were utilized to conduct a mineralogical analysis of the raw ore and systematically study the occurrence state of lithium; the
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— Radioactive cesium r Cs released from the 2011 Fukushima Daiichi Nuclear Power Plant attaches to vegetation/soil and is collected as municipal solid waste MSW for incineration being
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— Figure shows the cross section of a copper oxide ore particle that has been leached for approximately 48 h in a sulfuric acid leaching solution at pH The copper oxide minerals near the outer rim as well as acid consuming gangue minerals near the rim have been dissolved It is also worth noting that the penetration depth is relatively
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— The United States has low grade deposits of cesium ore in South Dakota and Maine which are currently not economical to mine As a result the imports 100% of the cesium it uses primarily from Canada Other nations producing cesium are South Africa and Zimbabwe Uses Cesium and cesium compounds have a number of interesting uses
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